China Bems Temperature Measurement Terminal Tested

By Derek Ward, Published Sep 22, 2020, 07:52am EDT

Guangzhou Bems (brand Benshi) is the manufacturer behind temperature terminals relabeled by over a dozen Western companies. But how well do they really work?

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We bought and tested Bems temperature measurement tablet, examining the following:

  • How often did it miss elevated temperatures?
  • How accurate are measurements vs IR thermometer?
  • Can it measure taller and shorter people?
  • How does subject distance to the terminal impact temperature measurements?
  • Do glasses/hats affect temperature measurement?
  • How accurate is mask detection?
  • How much can users configure settings on the device? Can configuration be done remotely?

This is the 9th manufacturer IPVM has tested, adding to tests of:

Executive *******

***** ** *** *****, the **** *********** ********'* normalization ** **** *** low ************ ** "******" ranges ** *** **** aggressive ** ***** ******* we **** ******, ********* in **** ********* ** elevated ************, **** ******** measured ** ***°*, ***°*, or **** ***°* ** IR ************ *** ***** thermal ******* **** ** normal **-**°* ************.

************ ** ******** ******* glasses, ****, ** ***** and ** ****** ********* were **********, ** ****, reading ************ *******, ******** all ***** ******* ****** reduce ******** ***********.

************, **** ********* *** easily ******* ** ******** the ****** **** ** the **** **** *****, arms, *** ***** *******, and ************ ****** ** recognize ******** ******** ******* masks.

Vs. ***** / ********* / ******

**** ********* ***** *********,*********, ******************** *********** *********. ***** these ****** ******** **** missed **********, *** **** terminal ****** ******** ************ more ***** *** ** its ********** ************* ** high ************. ******* ** competitive **** *****, *********, and ******, **** ** relabelers ******* **** ********* for ***** ** ***** competitors (~$*,***-*,***).

Vs. ****** **** / ******* *********

******** ** ********* **** *** ******* terminals** **** ******, *** Bems ********* *****, **** similar ***/********* ************, *** much ****** ******** **** temperature *********, ***** **** significantly **** ********* (**** US **********).

*******

**** ****~$*** *** *** * Bems ****** ****. *******, ***** ***** are ***** **** ******* of ***** *** ***** 4x *** ****** ***** (e.g.,******* **********,*********) ** ****** ******** from ****.

Numerous **********

****'* ******** ********* ** least ** ********* *** reselling **** ***** ********* kiosks ** ***** *** product. *** ********* *** listed *****:

*******'* ******** ** *********** ******* *** *********** for **** ***********.

Aggressive *********** *************

*** **** ********'* ********* normalizes ************ **** ************ than ***** ***** ********* terminals ** ******* ** have ******, ********** ******** in *** ***** ** 97-98°F ******* ***** ******* measuring **** ** ************* higher ** ***** ************.

*** *******, **** * paper ******** *** ****** to *** ***** ***** temperatures (***-***°*), *** **** terminal ******** ** *** 97.5°F.

*******, **** ** *** well ***** **** *********** (95.5 ******** ** ******/**° reported ** ****), ** was **** ** **** at ***** ** *** same ***********, **.*°*.

**** **** ********, **** the ******** *** ****** to **** ***** ************ (103-104°F), *** **** ******** reported * "******" **.*°* measurement.

**** *** *** ******* any ******** ** *** we ***** ****** ******** to ****** ***** ******.

Missed ******** ************

******* ** **** ********** normalization, *** **** ****** frequently ****** ******** ************ by ******* *******. *** example, *****, ******** *** both ***** ** *** 98°F *****, ******* ********* 104.4°F *** ***.*°* ** a ********** ** ***********.

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**** ******* **** *** subject's ******** ****** ** 106°F ** * ***********, the ******** ***** ***** him ** **°* *** grants *****. ** ** not ***** *** ******** measures ***.*°* **** *** terminal ***** *** ** over *** **.*°* *********.

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Hats *** *******

** *** *******, ******** wearing ******* ***/** * hat **** **** ** the **** ***********. ** asked **** ***** ******** hats *** *******, ***** response *** [********** **** English]:

******* ****** *** **** any *****, ****, ****, misc ***** ******** *** forehead **** ***** *******. If *** ******* ***** masks, *****, ** *******, it **** **** ** impact ** *** ******* temperature.

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No *********** ******* ******** ** ******** ******

**** **** *** **** a *********** ******** ** mounting ****** *** *********** measurements, ********** [********** **** English]:

**** *** ** *********** mounting ****** ** ********, just **** **** ********* temperature, *** ****** *** the ****** ****** ** at ***** *** **** level *** **** *** person ****** **** ** with *** *********/******* ** the ******.

**** *** *******, ** saw **** ******** *** little ****** ** *********** results, **** **** * ~0.3°F ******** ** *** subject ********** **** *.*' to *.*' ********.

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** *** *******, *** Bems ****** ******** ******** well ******* *** ***** subject ******* *** ******** dot, ******** **** ******* effect ** ************.

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Measurements ******* **** ******* ******

******* *** ****** ******** were **** **** ***** temperatures **** * ******* standing *****. ***** *** device *** *********** ****** with *********** ************ *******, this **** ***** ***** another ****** *** ******** or ********** ************.

Mask ********* **** ** *****

**** ********* *** ****** spoofed ** ***** ** arms *** ******** ******* such ** ****** ** coffee ****. ************, ** the *** ** ****** is ***, *** ****** will ****** * ******* with ** ******** ***********.

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Bems **** ********* ********

***** *** ****** ******** locally ** *** ******, though * ***** ** needed ** ** **. By *******, ************ *** done ** ********** **** both **** ********* *** liveness ********* ***.

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** ***** **** *** an *********** ** "*********** screening" **. "**** *****" modes, *** **** *** not *******. ** *** testing, ** *** ****** to ** ********** ** measurement ******* ***** *** modes.

Size **********

*** **** ****** ** similar ** **** ** other *********** *********, **** as *** ********* ****** and *** ****** *” model, ***** *****.

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Made ** *****

*** **** ****** ** made ** *****, ******** the ****** ****** **** not **** * ***** sticker **** **** **.

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****** ***** ** * close-up ** *** **** thermal ****/******.

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No ** *******

********* **** ****** ******* global *******. ***** **** can ******* ***** **** an ******* ******* ** its **** ******, *** only **** ******* ** China-based *** ************ ** Chinese. ***-******* ******** ***** outside ** ***** ****** expect ******* ********* *** to *****'* **** ********** and * ******* ******* to **** ********* ********* questions.

Android *** *** ******* ****

*** **** ****** ** running ******* ******* *.*.* (current ******* ******* **.*.*), with ******** ***** ******* 2.5.0.10.

Comments (18)

** * *******, *******'* you **** ** ***** updated *** **** ** the ******* **? *** that **** ** ****** on *** **** ****? We **** **** ******* very ******* **** *** of *** ********* ********** this ******. ****'** ****** much ******** *** *** BEMS *** *** ******** it **** ***** ***, thereby '*************' *** ****. Updates *** ****** ****** to *** *****, *** they **** ** ** network-connected ** ******* ****. At * *******, ** was ********* ** *******-******* the ***** **** * month.

*******'* *** **** ** least ******* *** **** to *** ******* **? Was **** **** ** option ** *** **** unit?

** ****** * **** production ****. ** ****** the ********** ******* **** provided **** ******** ******* or ******* **** *********** directly **** ***** ***** language **** *******.

** **** **** ******* very ******* **** *** of *** ********* ********** this ******. ****'** ****** much ******** *** *** BEMS *** *** ******** it **** ***** ***, thereby '*************' *** ****.

**** ******* ** ****?

*****, *'* ****** *** mention *** ******* ** this ****. *'* *** looking ** ***** * debate *** * ********* don't **** ** ****** our ************. ******* ** say *** ********* *** satisfied. *******, ****** *** these ******* *** ******.

******* ** *** *** customers *** *********.

**** **** ****** **** controlled ******** ************ ** see **** *** ******** are?

** ** *****, ** you **** **** **** unit *** *** ***'* do *** **** *******, just ******* ****** ** front ** **, ***** it ****** **** ****** reports ~**°* *** ***** pretty **** ******** ** ~98°F, ****** **** ** satisfied, ****** **** * false ***** ** ********.

**** ** ***** ***** utilize ****** ********** *** servers ***** *** *********** by ** **********. ** they *** ******** ** a ******* ******* **** would ** ** ******* HIPAA *********. ***** *** get ****** ****** ****** quick. ********* **** ********* did * *** ***** check.

*'* ** ********** ** the ***** ***** *** manufacturer ** *** *********** sensor. *'** ***** **** Heimann *** *******. **** to **** **** *****.

*** ********* ** ********** of **** ****** **** told ** **** **'* a ******* ********** ******.

**** **** ******* ********** with ********* ***. *'** asked **** ** ****** the *** ********* ***** and **** ** *** PCB **** ***** ******. Should ** **-** *** (from *******). **** ** a ************ *** ******* L2.1 ** **.* ** my ********.

*** **** ** *** tablet *** *** *** test ** * ********** (ie *** ******)?

**** * ****** ******* a **** *** **** the ******* ** *** of ***** ******* *******, and *** *** ******** the ******.

******, *** *** ******* about ******** ****** **** mask *********? ** **, we **** ***** ****, e.g.*****, *********, ****** **** Mask ********* ********

****:

**** * **** ** to ******* ** *** device **** ******* ***** from **** **********, ******* a ****. ** *** do ****, *** ****** will ********* * **** wearing * **** *** will ****** *** *********** of *** **********. **'* usually * ******* ******. This ***** *** *** enter ********* ********* ***** on ***** *** ******* mask, ** **** ** you ***** **** ********** with *** **** * picture ** *** ******* a ****. ** **** test, *** *** ** for ********.

*** *****, ** *****, Herospeed (* ****** ** rebranded ** ****) *****. On *** ****** ******** version, **** ******* **** fails (****** ** **** not **** *** **** recognition *******).

** ** **** *** are ******* *** ******** of *** ******* ****** I *****. ** *** remove *** *** * think *** **** **** actual ****** ****** *** thru *** ******* *** its **** ****** ** a **-** ***. *** you ****** *** **?

***** *****,

****** ***** ** *** image *** *********. ****, since **** *** *** recommend * ******** ******** height, ** ******* **** at ~*'*". ** *** test ** **** * "smaller" ******* ** ~*'**", but ***** **** ******* it ***** ** **** be, **** ****** ******** then ****** ** *** down.

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*'** ***** **** ** sources *** *** ** they ********* **. ** looks **** *** ** thoughIPVM Image

* ******* *** *********** people *** ** ** either *.* ** *.* Heimann. **** ***'* ** sure. **** *** **** interested ** *** ***** which **** **** ***** seen. ** ***** *** any *********** ***** ** would ** ******* ** get *****.

***, **** *** **** allowed ***** ******** ** post **** *******? *** this **** ******* * found **** ****-***** ****:*********** ***** ****** ****** - **** ****** ** IPVM

****** *** ******** **** out ****. * ****** that **** *** **** was ******* ** *** temperature ***** **** ***** and * ****'* ******* properly. *****. ** *** see *** **** * missed ****** *** ** know ** * *** to ** *** ********* and ********* (*** ********* proselytizer ***). -- *****

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